#C9F39B
Closest named color: Washed Out Green (#BCF5A6). oklch(91.4% 0.122 129.3), rgb(201, 243, 155).
Aa
Black text reads best on this color (16.77:1).
About this color
#C9F39B is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.122 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Washed Out Green (#BCF5A6), ΔE 0.017 away. Black text reads best on it, at 16.77:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 16.77:1 |
| White text | 1.25:1 |
Values
| HEX | #C9F39B |
| RGB | rgb(201, 243, 155) |
| HSL | hsl(89, 79%, 78%) |
| OKLCH | oklch(91.4% 0.122 129.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C9F39B | 1.25:1 | Fails | Lc -14.4 | Not readable |
| Black text on #C9F39B | 16.77:1 | AAA | Lc 91.2 | Preferred for body text |
| #C9F39B text on white | 1.25:1 | Fails | Lc 12.4 | Not readable |
| #C9F39B text on black | 16.77:1 | AAA | Lc -91.5 | Preferred for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 100.
-
Step 50
50
#F1F9EA
oklch(97.2% 0.021 130)
-
Step 100
100 (this color)
#C9F39B
oklch(91.4% 0.122 129.3)
-
Step 200
200
#C7E5A8
oklch(88.5% 0.087 129.3)
-
Step 300
300
#A0D45F
oklch(80.9% 0.157 129.3)
-
Step 400
400
#7AB600
oklch(70.8% 0.189 129.4)
-
Step 500
500
#689C00
oklch(63.2% 0.168 129.4)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#486E00
oklch(49.1% 0.131 129.4)
-
Step 800
800
#3A5A00
oklch(42.6% 0.114 129.5)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#C9F39B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #FBE895 | 0.067 |
| Deuteranopia (no green cones) | #F5E5A0 | 0.067 |
| Tritanopia (no blue cones) | #CCECDD | 0.093 |
| Achromatopsia (no color) | #E6E6E6 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F39B
#C9F39B
oklch(91.4% 0.122 129.3)
- #EDD9FF
#EDD9FF
oklch(91.3% 0.055 308.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9F39B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.017
- Light Pastel Green #B2FBA5 ΔE 0.029
- Celery #C1FD95 ΔE 0.031
- Pistachio #C0FA8B ΔE 0.032
- Light Light Green #C8FFB0 ΔE 0.033
- Celadon #BEFDB7 ΔE 0.034
- Light Sage #BCECAC ΔE 0.035
- Pale Light Green #B1FC99 ΔE 0.035
Use #C9F39B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.